| Chapter title |
Flock house virus: a simple model for studying persistent infection in cultured Drosophila cells.
|
|---|---|
| Chapter number | 13 |
| Book title |
Positive-Strand RNA Viruses
|
| Published in |
Archives of virology Supplementum, January 1994
|
| DOI | 10.1007/978-3-7091-9326-6_13 |
| Pubmed ID | |
| Book ISBNs |
978-3-21-182522-8, 978-3-70-919326-6
|
| Authors |
R. Dasgupta, B. Selling, R. Rueckert, Dasgupta, R., Selling, B., Rueckert, R. |
| Abstract |
Flock house virus (FHV), isolated from twenty Drosophila melanogaster cell lines, persistently infected with the virus, were examined during successive serial passages by plaque assay and sequence analysis. No phenotypic or genotypic changes in the virus were observed during the establishment of persistent infection, suggesting that it was a cellular modification that led to the first step in establishing the persistent state. Once this state was initiated, the virus was relieved of the need for a functional coat protein to propagate itself and mutations began to accumulate selectively in RNA2, the gene for the coat protein. These changes were manifested by a gradual drift to a smaller plaque population. The replicase activity, coded by RNA1, remained unaltered. |
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|---|---|---|
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Demographic breakdown
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|---|---|---|
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| Researcher | 2 | 29% |
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